Diester
[机] 二酯
🗣️ 情景例句
Oh, who could that be?
啊，这会是谁呢？
Old acquaintance will soon be remembered.
故人一见便相亲。
After so many years of sunshine, Harrison got a shock.
在阳光下生活了那么多年的哈里森对此感到惊奇。